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NESTING BIRDS
Italy eradicated black rats from Zannone in 2007; nine years later, Scopoli's shearwater nesting pairs had nearly tripled from 27 to 80 on the Mediterranean islandZannone, a volcanic island near Rome, successfully removed black rats that threatened local seabird populations. Conservationists undertook...- On rat-free D’Arros Island, scientists counted 2,768 wedge-tailed shearwater pairs in 2016, nearly 10 times the 2009 estimateD'Arros Island in Seychelles has witnessed a remarkable revival of wedge-tailed shearwaters after the successful elimination of invasive ra...
- After Klein Curaçao removed goats and feral cats and restored habitat, nesting birds climbed from 140 pairs of one species in 2002 to around 650 across multiple species in 2022 as eight more species began breedingKlein Curaçao experienced a significant increase in seabird populations after removing invasive goats and cats. The island went from a few ...
- After invasive rodents were cleared from Surprise Island in 2005, three monitored seabird populations grew two to tenfold in the years that followedFollowing the eradication of invasive rats in 2005, Surprise Island in New Caledonia witnessed remarkable growth in its seabird populations...
- In 1881, Paul Kroegel's family began homesteading along Florida’s Indian River; 22 years later, he became its bird refuge's warden for $1 a monthIn the 1880s, Paul Kroegel settled in the Sebastian area, observing brown pelicans nesting on a nearby island. His concern for these birds ...
- New Zealand’s endangered bird Kākāpō population jumps to 325 after 90 chicks join count, but a new problem emergesThe population of New Zealand's endangered kākāpō has dramatically increased from 51 to 325 birds, thanks to a fruitful breeding season tha...
- In 2018, South Carolina pumped 40,000 cubic yards of river sand onto an eroding bird island; enough to fill about 4,000 dump trucks and restore lost nesting groundThe restoration of Bird Key Stono, a vital nesting habitat for endangered bird species, involved utilizing dredged sand from Folly River. T...
- In 2014, Texas dumped 126,000 cubic yards of mud dug from a ship channel onto a shrinking island; the unusual move rebuilt about 5 acres for nesting birdsSundown Island in Texas has encountered harsh shoreline erosion that has greatly impacted local bird populations. To counter this, a recent...
- In 2016, Wisconsin used 385,000 cubic yards of harbor mud to rebuild vanished Cat Island; more than 30 bird species returned, and 3 piping plover chicks fledgedPiping plovers are thriving on Cat Island in Green Bay thanks to a successful conservation initiative. Engineers repurposed dredged materia...
- In 2014, New Jersey reused 7,000 cubic yards of dredged sand at Ring Island; the new nesting ground was later used by 4 threatened or at-risk shorebird speciesNew Jersey has implemented an innovative project to support nesting birds facing habitat loss due to rising sea levels. Sand dredged from w...
- From 2002, Louisiana dumped up to 1.8 million cubic yards of dredged mud near Horseshoe Bend, and the river turned it into a 35-hectare islandSince 2002, dredgers on the Lower Atchafalaya River in Louisiana have adopted a groundbreaking sediment placement technique. This has resul...
- In 2019, researchers used Sentinel-2 satellite images to find eight unreported emperor-penguin breeding colonies, lifting the known total to 61Eight new emperor penguin colonies have been identified in Antarctica, increasing the total to 61 active populations. The British Antarctic...
- In 2018, NASA satellite images of penguin guano sent researchers to Antarctica's Danger Islands, where they found more than 1.5 million Adélie penguinsIn December 2015, scientists found a massive colony of over 1.5 million Adélie penguins on the Danger Islands. This discovery was made poss...
- In 1987, conservationists brought 2 male owls to Norfolk Island for its last surviving female; their descendants later rebuilt the population, but inbreeding still limits recoveryNorfolk Island owls were saved from extinction by a bold conservation effort in 1987. Two male owls were introduced to breed with the last ...
- Since 1960s, Britain’s European turtle doves have suffered an almost 99% population decline. In 2026, 30 birds were released to restore the speciesBritain’s European turtle dove population has fallen by 98% since the late 1960s and early 1970s. In 2026, conservationists released 30 bir...
- Australia used artificial tree hollows to replace vital wildlife homes lost to bushfires; new 3D-printed and drilled habitats could give threatened species a place to shelterInnovative researchers are harnessing the power of 3D printing to construct homes for endangered Australian wildlife. By replicating the na...
- Savannah turned 160,000 cubic yards of mud removed from its harbor into an 8-acre island; birds built more than 300 nests there in the first seasonNestled in Georgia, a harbor island crafted from dredged mud has become a refuge for over 300 bird families. This artificial sanctuary serv...
- In 1851, Brooklyn released 100 house sparrows from England; 175 years later, the birds are found across nearly all of North AmericaHouse Sparrows, introduced to North America during the mid-1800s, have rapidly become a prevalent part of the continent's avian scene. Thei...
- In 2002, crews removed rats from California’s Anacapa Island; 10 years later, rare seabirds were returning and the island’s ecosystem was recoveringAnacapa Island shows significant seabird recovery ten years after rat removal. Ashy storm-petrels now nest there, and Cassin's auklets have...
- In the 1940s, a few snakes arrived in Guam hidden in military cargo; decades later, nine of the island’s 11 native forest bird species were goneGovernment bodies are collaborating with local citizen scientists in a proactive approach towards snake removal on Guam. This program's aim...
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